user
Describe the process of writing a formal complaint letter.


assistant
Firstly, identify the purpose of the complaint letter. Identify and state the main issue, including the details of what happened and why it warrants a complaint. Ensure that the language is polite and professional, reflecting a desire for a resolution rather than an angry reaction. Then provide specific and concrete examples of what happened and how it caused an issue. Outline the action you would like taken to resolve the issue. Include a timeline and an appeals process, if relevant. Finally, leave contact information which the recipient can use to follow up with you.